201281275

素因数分解:

$5^2\times {\mathrm{13}}^1\times {\mathrm{17}}^2\times {\mathrm{2143}}^1$

素因数の和:2200

約数の個数: 36

約数和(自身を含む): 285662272

約数和(自身を除く): 84380997

約数列:

[1, 5, 13, 17, 25, 65, 85, 221, 289, 325, 425, 1105, 1445, 2143, 3757, 5525, 7225, 10715, 18785, 27859, 36431, 53575, 93925, 139295, 182155, 473603, 619327, 696475, 910775, 2368015, 3096635, 8051251, 11840075, 15483175, 40256255, 201281275]

約数ペア:

[(1, 201281275), (5, 40256255), (13, 15483175), (17, 11840075), (25, 8051251), (65, 3096635), (85, 2368015), (221, 910775), (289, 696475), (325, 619327), (425, 473603), (1105, 182155), (1445, 139295), (2143, 93925), (3757, 53575), (5525, 36431), (7225, 27859), (10715, 18785)]